1. Leonardo on Painting;da Vinci,1989
2. About the proportions of human limbs;Durer,1958
3. On the True Precepts of the Art of Painting;Armenini,1977
4. The Craftman's Handbook;Cennini,1960
5. Quantitative principles in cosmetic surgery of the face (profileplasty);Gonzalez-Ullou;Plast Reconstr Surg,1962